The PSE (Personal Security Environment) of the user and application server are issued by different CAs (Certification Authorities). The PSE of the user does not contain a public key of a CA with which the certificate of the application server can be verified.

Use PSEs of the same CA. If this is impossible, check out the option of cross certification with Secude support."

But we do not understand solution. Where and in which file i have to change the public key of CA.